Home / 6,871.68-10,307.54-3,408.12

Finding the Fourth Proportional to 6,871.68, 10,307.54 and 3,408.12

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Solution

The fourth proportional to 6,871.68, 10,307.54 and 3,408.12 is: 5,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.68 : 10,307.54 = 3,408.12 : x
  2. Step 2: Convert to fraction form
    6,871.68/10,307.54 = 3,408.12/x
  3. Step 3: Cross multiply
    6,871.68x = 10,307.54 × 3,408.12
  4. Step 4: Simplify right side
    6,871.68x = 35,129,333.22
  5. Step 5: Solve for x
    x = 35,129,333.22/6,871.68
  6. Step 6: Final answer
    x = 5,112.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.